5385325440 has 128 divisors (see below), whose sum is σ = 18726318720. Its totient is φ = 1305528320.

The previous prime is 5385325427. The next prime is 5385325447. The reversal of 5385325440 is 445235835.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×5385325440² = 58003460189422387200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5385325447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106374 + ... + 148613.

It is an arithmetic number, because the mean of its divisors is an integer number (146299365).

Almost surely, 2^5385325440 is an apocalyptic number.

It is an amenable number.

5385325440 is an abundant number, since it is smaller than the sum of its proper divisors (13340993280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5385325440 is a wasteful number, since it uses less digits than its factorization.

5385325440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255020 (or 255008 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 5385325440 is about 73384.7766229482. The cubic root of 5385325440 is about 1752.8199910465.

The spelling of 5385325440 in words is "five billion, three hundred eighty-five million, three hundred twenty-five thousand, four hundred forty".